1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationInstrument transformersPart 3: Additional requirements for inductive voltage transformersBS EN 61869-3:2011National forewordThis British Standard is the UK implementation of EN 6
2、1869-3:2011. It is identical to IEC 61869-3:2011. It supersedes BS EN 60044-2:1999, which will be withdrawn on 17 August 2014.The UK participation in its preparation was entrusted to Technical Committee PEL/38, Instrument transformers.A list of organizations represented on this committee can be obta
3、ined on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012 ISBN 978 0 580 64563 1 ICS 17.220.20 Compliance w
4、ith a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 61869-3:2011EUROPEAN STANDA
5、RD EN 61869-3 NORME EUROPENNE EUROPISCHE NORM October 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights
6、 of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61869-3:2011 E ICS 17.220.20 Supersedes EN 60044-2:1999 + A1:2000 + A2:2003English version Instrument transformers - Part 3: Additional requirements for inductive voltage transformers (IEC 61869-3:2011)
7、 Transformateurs de mesure - Partie 3: Exigences supplmentaires concernant les transformateurs inductifs de tension (CEI 61869-3:2011) Messwandler - Teil 3: Zustzliche Anforderungen fr induktive Spannungswandler (IEC 61869-3:2011) This European Standard was approved by CENELEC on 2011-08-17. CENELEC
8、 members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on appl
9、ication to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CE
10、NELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuan
11、ia, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 61869-3:2011EN 61869-3:2011 Foreword The text of document 38/410/FDIS, future edition 1 of IEC 61869-3, prepared by IEC/TC 38, “Instrument transform
12、ers“, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61869-3:2011. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-05-17 latest date by
13、which the national standards conflicting with the EN have to be withdrawn (dow) 2014-08-17 This document supersedes EN 60044-2:1999 + A1:2000 + A2:2003. EN 61869-3:2011 shall be read in conjunction with, and is based on, EN 61869-1:2009, Instrument Transformers Part 1: General Requirements. This Par
14、t 3 follows the structure of EN 61869-1 and supplements or modifies its corresponding clauses. When a particular clause/subclause of Part 1 is not mentioned in this Part 3, that clause/subclause applies as far as is reasonable. When this standard states “addition”, “modification” or “replacement”, t
15、he relevant text in Part 1 shall be adapted accordingly. For additional clauses, subclauses, figures, tables, annexes or notes, the following numbering system is used: clauses, subclauses, tables, figures and notes that are numbered starting from 301 are additional to those in Part 1; additional ann
16、exes are lettered 3A, 3B, etc. Annex ZZ of EN 61869-1 is not applicable for this part of the series. An overview of the planned set of standards at the date of publication of this document is given below. The updated list of standards prepared by IEC TC38 is available at the website: www.iec.ch. The
17、 updated list of standards prepared by IEC TC38 and approved by CENELEC is available at the website: www.cenelec.eu. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any
18、 or all such patent rights. BS EN 61869-3:2011EN 61869-3:2011 PRODUCT FAMILY STANDARDS PRODUCT STANDARD PRODUCTS OLD STANDARD 61869-1 GENERAL REQUIREMENTS FOR INSTRUMENT TRANSFORMERS 61869-2 ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS 60044-1 61869-3 ADDITIONAL REQUIREMENTS FOR INDUCTIVE VOLTAG
19、E TRANSFORMERS 60044-2 61869-4 ADDITIONAL REQUIREMENTS FOR COMBINED TRANSFORMERS 60044-3 61869-5 ADDITIONAL REQUIREMENTS FOR CAPACITIVE VOLTAGE TRANSFORMERS 60044-5 61869-6 ADDITIONAL GENERAL REQUIREMENT FOR ELECTRONIC INSTRUMENT TRANSFORMERS AND LOW POWER STAND ALONE SENSORS 61869-7 ADDITIONAL REQU
20、IREMENTS FOR ELECTRONIC VOLTAGE TRANSFORMERS 60044-7 61869-8 ADDITIONAL REQUIREMENTS FOR ELECTRONIC CURRENT TRANSFORMERS 60044-8 61869-9 DIGITAL INTERFACE FOR INSTRUMENT TRANSFORMERS 61869-10 ADDITIONAL REQUIREMENTS FOR LOW-POWER STAND-ALONE CURRENT SENSORS 61869-11 ADDITIONAL REQUIREMENTS FOR LOW P
21、OWER STAND ALONE VOLTAGE SENSOR 60044-7 61869-12 ADDITIONAL REQUIREMENTS FOR COMBINED ELECTRONIC INSTRUMENT TRANSFORMER OR COMBINED STAND ALONE SENSORS 61869-13 STAND ALONE MERGING UNIT _ Endorsement notice The text of the International Standard IEC 61869-3:2011 was approved by CENELEC as a European
22、 Standard without any modification. _ BS EN 61869-3:2011EN 61869-3:2011 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated referenc
23、es, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Annex ZA of EN 61869-1:2009
24、applies with the following additions: Publication Year Title EN/HD Year IEC 60028 - International standard of resistance for copper - - IEC 60038 - IEC standard voltages EN 60038 - IEC 61869-1 (mod) 2007 Instrument transformers - Part 1: General requirements EN 61869-1 2009 BS EN 61869-3:201161869-3
25、 IEC:2011 CONTENTS 1 Scope . . 7 2 Normative references . 7 3 Terms, definitions and abbreviations . 7 3.1 General definitions 7 3.2 Definitions related to dielectric ratings . 8 3.4 Definitions related to accuracy . 9 3.5 Definitions related to other ratings 9 3.7 Index of abbreviation . . 9 5 Rati
26、ngs 9 5.3 Rated insulation levels . 10 5.5 Rated output . 10 5.5.301 Rated output values . 10 5.5.302 Rated thermal limiting output . 10 5.5.303 Rated output values for residual voltage windings . . 10 5.5.304 Rated thermal limiting output for residual voltage windings . 10 5.6 Rated accuracy class
27、. 11 5.6.301 Accuracy requirements for single-phase inductive measuring voltage transformers 11 5.6.302 Additional requirements for single-phase inductive protective voltage transformers 12 5.301 Standard values of rated voltages . 13 5.301.1 Rated primary voltages . 13 5.301.2 Rated secondary volta
28、ges . 13 5.301.3 Rated voltages for residual voltage windings . 13 5.302 Standard values of rated voltage factor . . 14 6 Design and construction . 15 6.4 Requirements for temperature rise of parts and components . . 15 6.4.1 General . 15 6.13 Markings . . 15 6.13.301 Terminal markings . 15 6.13.302
29、 Rating plate markings 19 6.301 Short-circuit withstand capability . . 20 7 Tests . 20 7.1 General . . 20 7.1.2 List of tests 20 7.2 Type tests 21 7.2.2 Temperature-rise test . 21 7.2.3 Impulse voltage withstand test on primary terminals . 22 7.2.5 Electromagnetic Compatibility (EMC) tests . 23 7.2.
30、6 Test for accuracy 23 7.2.301 Short-circuit withstand capability test 23 7.3 Routine tests . 24 7.3.1 Power-frequency voltage withstand tests on primary terminals . 24 7.3.2 Partial discharge measurements 27 7.3.5 Test for accuracy 27 BS EN 61869-3:201161869-3 IEC:2011 7.4 Special tests . 27 7.4.3
31、Measurement of capacitance and dielectric dissipation factor . . 27 7.4.6 Internal arc fault test 28 Figure 301 Single-phase transformer with fully insulated terminals and a single secondary 16 Figure 302 Single-phase transformer with a neutral primary terminal with reduced insulation and a single s
32、econdary . 16 Figure 303 Three-phase assembly with a single secondary . 16 Figure 304 Single-phase transformer with two secondaries . 17 Figure 305 Three-phase assembly with two secondaries . 17 Figure 306 Single-phase transformer with one multi-tap secondary 17 Figure 307 Three-phase assembly with
33、one multi-tap secondary 17 Figure 308 Single-phase transformer with two multi-tap secondaries . . 18 Figure 309 Single-phase transformer with one residual voltage winding 18 Figure 310 Three-phase transformer with one residual voltage winding. 18 Figure 311 Example of a typical rating plate . 20 Fig
34、ure 312 Example of a rating plate with typical data . . 20 Figure 313 Common mode (separate source) test voltage application . 26 Figure 314 Differential mode (induced) test voltage application Primary excitation . . 26 Figure 315 Differential mode (induced) test voltage application Secondary excita
35、tion . 27 Table 301 Limits of voltage error and phase displacement for measuring voltage transformers . 11 Table 302 Limits of voltage error and phase displacement for protective voltage transformers . 12 Table 303 Rated voltages for secondary windings intended to produce a residual voltage 14 Table
36、 10 List of tests . 21 Table 305 Burden ranges for accuracy tests 23 BS EN 61869-3:201161869-3 IEC:2011 PRODUCT FAMILY STANDARDS PRODUCT STANDARD PRODUCTS OLD STANDARD 61869-1 GENERAL REQUIREMENTS FOR INSTRUMENT TRANSFORMERS 61869-2 ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS 60044-1 60044-6 61
37、869-3 ADDITIONAL REQUIREMENTS FOR INDUCTIVE VOLTAGE TRANSFORMERS 60044-2 61869-4 ADDITIONAL REQUIREMENTS FOR COMBINED TRANSFORMERS 60044-3 61869-5 ADDITIONAL REQUIREMENTS FOR CAPACITIVE VOLTAGE TRANSFORMERS 60044-5 61869-6 ADDITIONAL GENERAL REQUIREMENT FOR ELECTRONIC INSTRUMENT TRANSFORMERS AND LOW
38、 POWER STAND ALONE SENSORS 61869-7 ADDITIONAL REQUIREMENTS FOR ELECTRONIC VOLTAGE TRANSFORMERS 60044-7 61869-8 ADDITIONAL REQUIREMENTS FOR ELECTRONIC CURRENT TRANSFORMERS 60044-8 61869-9 DIGITAL INTERFACE FOR INSTRUMENT TRANSFORMERS 61869-10 ADDITIONAL REQUIREMENTS FOR LOW-POWER STAND-ALONE CURRENT
39、SENSORS 61869-11 ADDITIONAL REQUIREMENTS FOR LOW POWER STAND ALONE VOLTAGE SENSOR 60044-7 61869-12 ADDITIONAL REQUIREMENTS FOR COMBINED ELECTRONIC INSTRUMENT TRANSFORMER OR COMBINED STAND ALONE SENSORS 61869-13 STAND ALONE MERGING UNIT The committee has decided that the contents of this publication
40、will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. BS EN 61869-3:201161869-3 IEC:2011 7 IN
41、STRUMENT TRANSFORMERS Part 3: Additional requirements for inductive voltage transformers 1 Scope This part of IEC 61869 applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. NOTE 301 Requirem
42、ents specific to three-phase voltage transformers are not included in this standard but, so far as they are relevant, the requirements in clauses 4 to 10 apply to these transformers and a few references to them are included in those clauses (e.g. see 3.1.303, 5.301.1, 5.301.2, 5.5.301, 6.13.301.1 an
43、d Table 304). All the transformers shall be suitable for measuring purposes, but, in addition, certain types may be suitable for protection purposes. Transformers for the dual purpose of measurement and protection shall comply with all clauses of this standard. 2 Normative references Clause 2 of IEC
44、 61869-1:2007 is applicable with the following additions: IEC 60028, International Standard of resistance for copper IEC 60038, IEC standard voltages IEC 61869-1:2007, Instrument transformers Part 1: General requirements 3 Terms, definitions and abbreviations For the purposes of this document, the t
45、erms and definitions in IEC 61869-1:2007 apply with the following additions: 3.1 General definitions 3.1.301 voltage transformer instrument transformer in which the secondary voltage, in normal conditions of use, is substantially proportional to the primary voltage and differs in phase from it by an
46、 angle which is approximately zero for an appropriate direction of the connections IEC 60050-321:1986, 321-03-01 3.1.302 unearthed voltage transformer voltage transformer which has all parts of its primary winding, including terminals, insulated from earth to a level corresponding to its rated insul
47、ation level 3.1.303 earthed voltage transformer single-phase voltage transformer which is intended to have one end of its primary winding directly earthed or a three-phase voltage transformer which is intended to have the star-point of its primary winding directly earthed BS EN 61869-3:2011 8 61869-
48、3 IEC:2011 3.1.304 measuring voltage transformer voltage transformer intended to transmit an information signal to measuring instruments, integrating meters and similar apparatus IEC 60050-321:1986 , 321-03-04 modified 3.1.305 protective voltage transformer voltage transformer intended to transmit a
49、n information signal to electrical protective and control devices IEC 60050-321:1986 , 321-03-05 3.1.306 primary winding winding to which the voltage to be transformed is applied 3.1.307 secondary winding winding which supplies the voltage circuits of measuring instruments, meters, relays or similar apparatus 3.1.308 residual voltage winding winding of a single-phase voltage transformer intended, in a set of three single-phase transformers, for connection
